Dmitri Pavlutin • 12/20/2021

Array Grouping in JavaScript: Object.groupBy()

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This article details the new JavaScript proposal for array grouping, introducing the Object.groupBy() and Map.groupBy() methods. It explains their syntax and usage with practical examples, comparing them to the more complex array.reduce() method for grouping tasks, and discusses their current stage and availability via polyfills.

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#JavaScript #array methods #data transformation
Array Grouping in JavaScript: Object.groupBy()

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